How are we not lined up like they are lined up? This is the very first play of the first video posted above:
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Three condensed down linemen, three linebackers, five DBs.
Here is the same graphic of the AJ Green pick six play from above:
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Three condensed down linemen, three linebackers, five DBs.
The only difference is one play is backed up to the goal line and in our picture, the slot LB is spread out a bit more due to where the slot receiver is lined up.
You’re using specific plays to try to describe an overall scheme. We aren’t always going to blitz two LBs to one side. We aren’t always going to drop one into coverage. Those specific plays do not define the scheme as a whole.